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Magnetic Yoke

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Magnetic Yoke Specification

Specimen Size
Various depending on geometry

Equipment Type
Magnetic Yoke

Features
Portable, Rugged, Easy operation

Test Range
Detects surface and subsurface cracks

Operating Voltage
230V AC

Humidity
Up to 85% RH

Number of Specimens
Single test at a time

Interface Type
Manual

Accuracy
High sensitivity to small cracks

Automation Grade
Manual

Measuring Range
Depends on flaw size and specimen

Response Time
Immediate

Power Supply
230V AC, 50 Hz

Mounting Type
Handheld

Temperature
0C to 50C

Frequency
50 Hz

Application
Magnetic particle flaw detection

Usage
Industrial Non-Destructive Testing (NDT)

Capacity
10 kgs

Machine Weight
Approx. 3 kg

Test Speed
Manual operation

Test Width
Up to 125 mm

Control Mode
Handheld

Magnetic Yoke Trade Information

Main Export Market(s)
Asia

About Magnetic Yoke

As an Authorized dealer we are engaged in providing the broad assortment of "NDT Equipments" for wide range of application..

Magnetic Particle Inspection "MPI" (also known as Magnetic Testing "MT") is used for the detection of surface and near-surface flaws (such as cracks) in ferromagnetic materials e.g. steel and iron.

To create the magnetic field used in MPI is based on electromagnetism. That is, using an electrical current to produce the magnetic field. An electromagnetic yoke is a very common piece of equipment that is used to establish a magnetic field. It is basically made by wrapping an electrical coil around a piece of soft ferromagnetic steel. A switch is included in the electrical circuit so that the current and, therefore, the magnetic field can be turned on and off.

Application Fields:

Used for the detecting of Oil field, Boat making, Car making, Coal mine, Machine, Medicine, Airplane making and internal combustion engine parts etc.
Also detecting for the surface defecting caused by Forge, Quenching,Welding,Fatigue etc.

Technical Specification:

Type of power supply
Alternating current
Alternating current-direct current
Input votage
220V ±10%,50-60Hz

Working power

alternating current 2A, direct current1.8A
Probe limits
20-200mm

sensitivity

Type A specimens show clear
Elevating weight
alternating current(plane)8kg;direct current more than 30kg

Work period

2 minutes to start up and 2 minutes to stop
electric cable 5.5m

Work temperature

-10-50 ºC

Dimension

190 x 248 x 546mm

weight

2.9kg

Portable and Durable Design

Built for harsh industrial environments, this magnetic yoke combines portability with durability. Weighing approximately 3 kg, it is easy to handle during prolonged inspections, while the impact-resistant polymer or metal housing ensures reliable performance even under rough treatment and challenging conditions.

Flexible and Easy Operation

Featuring adjustable leg spacing from 0 to 200 mm and replaceable, swiveling pole pieces, this yoke suits varied specimen geometries. Its manual interface allows for simple operation, making it ideal for on-site magnetic particle flaw detection. A cord length of 2-3 meters provides freedom of movement while conducting tests.

High Sensitivity and Compliance

Engineered to international NDT safety norms, the yoke complies with IS: 6410 and ASTM E709 standards. It boasts high sensitivity, effectively identifying minute surface and subsurface cracks quickly, thus ensuring the integrity and safety of critical industrial components. Immediate response time enhances workflow and productivity.

FAQs of Magnetic Yoke:

Q: How is the magnetic yoke used in industrial non-destructive testing (NDT)?

A: The magnetic yoke is handheld and placed directly onto the material being inspected. By manually operating the device, an AC magnetic field is generated between the legs, enabling detection of surface and subsurface cracks when magnetic particles are applied.

Q: What types of flaws can the magnetic yoke detect?

A: This yoke is highly sensitive and capable of identifying both surface and subsurface cracks in ferromagnetic materials, making it ideal for quality assurance in industrial settings where integrity is critical.

Q: When should a portable magnetic yoke be selected over other NDT methods?

A: A portable magnetic yoke is recommended when inspecting large or irregularly shaped components on-site, requiring flexibility, quick setup, and immediate flaw detection, especially in applications where power sources or space are limited.

Q: Where can the magnetic yoke be deployed for inspection?

A: Due to its rugged, impact-resistant housing and compact design, the magnetic yoke can be deployed in diverse industrial environments, including manufacturing plants, construction sites, and maintenance workshops.

Q: What is the process for adjusting the yoke for specimens of different sizes?

A: Simply adjust the swiveling, replaceable legs to accommodate various geometries and test widths up to 125 mm. The legs can be spaced from 0 up to 200 mm, ensuring stable contact and optimal magnetic field application.

Q: How does regular use of this equipment benefit industrial users?

A: Regular inspections with the magnetic yoke help ensure product quality and safety by providing early detection of cracks, reducing downtime, and helping to prevent costly failures in critical assemblies.

Q: Does the magnetic yoke meet safety and compliance standards for NDT equipment?

A: Yes, the device fully adheres to IS: 6410 and ASTM E709 standards and meets international NDT safety requirements, ensuring trustworthy and compliant flaw detection for industrial applications.

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